Tongue element of a shoe upper



FIG. 1 is front elevational view of a tongue element of a shoe upper showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a tongue element of a shoe upper, as shown and described. 